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/**************************************************************************
*
* Copyright (C) 2013 Intel Corporation. All rights reversed.
* Author: Meng Mengmeng <mengmeng.meng@intel.com>
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
#include <fstream>
#include "image.hpp"
#include "md5.h"
using namespace std;
namespace image {
void
Image::writeMD5(std::ostream &os) const {
struct MD5Context md5c;
MD5Init(&md5c);
const unsigned char *row;
unsigned len = width*bytesPerPixel;
for (row = start(); row != end(); row += stride()) {
MD5Update(&md5c, (unsigned char *)row, len);
}
unsigned char signature[16];
MD5Final(signature, &md5c);
const char hex[] = "0123456789ABCDEF";
char csig[33];
for(int i = 0; i < sizeof signature; i++){
csig[2*i ] = hex[signature[i] >> 4];
csig[2*i + 1] = hex[signature[i] & 0xf];
}
csig[32] = '\0';
os << csig;
os << "\n";
}
} /* namespace image */
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